Rare earth, Wavelength for luminescence

• Eu-O-Y
• Al-Ce-O-Y
• Eu-O-Si-Sr
• Ca-Eu-Mo-O
• Eu-O-V-Y
• rare earth
• lanthanoid
• luminescent
• chalcogen
• transitional
• monoclinic
• tetragonal
• orthorhombic
• cubic
• trigonal